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If the circles x^(2) +y^(2) - 6x – 8y +c...

If the circles `x^(2) +y^(2) - 6x – 8y +c = 0 and x^(2) + y^(2) =9` have three common tangent then c=

A

17

B

19

C

21

D

20

Text Solution

Verified by Experts

The correct Answer is:
C
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